1297210928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{145037}}^1$

素因数の和:145101

約数の個数: 40

約数和(自身を含む): 2769645648

約数和(自身を除く): 1472434720

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 145037, 290074, 580148, 1160296, 1885481, 2320592, 3770962, 6236591, 7541924, 12473182, 15083848, 24946364, 30167696, 49892728, 81075683, 99785456, 162151366, 324302732, 648605464, 1297210928]

約数ペア:

[(1, 1297210928), (2, 648605464), (4, 324302732), (8, 162151366), (13, 99785456), (16, 81075683), (26, 49892728), (43, 30167696), (52, 24946364), (86, 15083848), (104, 12473182), (172, 7541924), (208, 6236591), (344, 3770962), (559, 2320592), (688, 1885481), (1118, 1160296), (2236, 580148), (4472, 290074), (8944, 145037)]